@book{Boeh84,
	author = "{Boehm, W., Farin, G., and Kahmann, J}.",
	title = "A survey of curve and surface methods in {CAGD}, {C}omput. {A}id. {G}eom. {D}es.",
	year = "1984"
	volume = "1"
	number = "1"
	pages = "1--60"
}
@book{deCa86,
	author = "{De Casteljau, P.}",
	title = "{Shape Mathematics and CAD}",
	year = "1986"
}
@book{deCa93,
	author = "{De Casteljau, P.}",
	title = "{Polar Forms for curve and surface modeling as used at Citroen}"
}
@book{lesPieg,
	author = "{Les Piegl; Wayne Tiller.}",
	title = "{The Nurbs Book.}"
	edition = "Second",
	publisher = "Springer",
	pages = "28--30"
}
@book{redbook,
	author = "{Dave Shreiner, Mason Woo, Jackie Neider, Tom Davis.}",
	title = "{OpenGL Programming Guide.}"
	edition = "6th"
}
@book{sederberg,
	author = "{Thomas W. Sederberg.}",
	title = "{COMPUTER AIDED GEOMETRIC DESIGN.}"
	edition = "Marzo 24, 2003"
}
@book{ribo,
	author = "{Ramon Rib\'o.}",
	title = "{Descripci\'on Matem\'atica de las NURBS.}"
	edition = "Abril 2, 2003"
}
@book{cosimo,
	author = "{Alejandro C\'osimo.}",
	title = "{Tesis de Grado de la carrera Ingenier\'ia en Inform\'atica.}"
}

